<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>03_流程控制</title>
</head>
<body>
<script>
    var f5 = function (){
        console.log("f5666");
    }
    f5();
    console.log(f5);
    console.log( typeof f5);

    const f6 = ()=>{
        console.log("666666")
    };
    f6();
</script>

</body>
</html>